#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.h>
int main()
{
	const char* a = "abc dwuabcdefg";
	const char* b = "abc ";
	char* p = strstr(a, b);
	if (p)
		printf("Exist!\n");
	else
		printf("Non-existent!\n");
	return 0;
}
